Cristina Kahlo, great-niece of Mexican artist Frida Kahlo, poses for

Cristina Kahlo, great-niece of Mexican artist Frida Kahlo, poses for a picture during an interview with Reuters at the Frida Kahlo Museum, also known as “Casa Azul”, in Mexico City, Mexico May 21, 2018. Picture taken May 21, 2018. REUTERS/Gustavo Graf